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National Stock Number:
5325-00-845-1873
Federal Supply Class:
5325
National Item Identification Number:
008451873
Description:
INSERT,SCREW THREAD
Detail:
A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes items having a sleeve on its underportion which can be clinched or crimped. Excludes BUSHING, MACHINE THREAD; NUT, PLAIN, KNURLED; NUT, PLAIN, ROUND; NUT, PLAIN, CLINCH and NUT, SELF-LOCKING, CLINCH. See also NUT, PLAIN, PLATE.
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Manufacturer Information:
| 4812-1-8 | 01556 | EMHART TEKNOLOGIES LLC | | 931D-8CS0500 | 01556 | EMHART TEKNOLOGIES LLC | | 9978143 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | STD147A34 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| INSERT SIZE | 0.750-16 UNF-3A | | LENGTH | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633,COND ANNEALED-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1117 OVERALL | | STYLE DESIGNATOR | KEYLOCK | | SURFACE TREATMENT | CADMIUM OVERALL | | TOP PORTION UNTHREADED OUTSIDE LENGTH | 0.067 INCHES MINIMUM AND 0.072 INCHES MAXIMUM | | TOP UNTHREADED PORTION OUTSIDE DIAMETER | 0.619 INCHES MINIMUM AND 0.624 INCHES MAXIMUM |
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